BIOL 2400 Exam Questions and Answers Latest 2023/2024
BIOL 2400 Exam Questions and Answers Latest 2023/2024.Which of the following evolutionary processes (on their own) cannot explain allele frequency changes across generations (i.e. evolution)? A. Selection B. Mutation C. Migration D. Inbreeding E. Genetic drift 2. If there are two alleles at a single locus (A1 or A2) and the frequency of the A1 allele is 0.3. What would the frequency of the A1A1 genotype be at Hardy-Weinberg Equilibrium? A. 0.09 B. 0.30 C. 0.42 D. 0.70 E. 0.91 3. If the fitness of the BB genotype is 1.0, the fitness of the Bb genotype is 0.8 and the fitness of the bb genotype is 0.8, which of the following is true? A. B is dominant to b B. B is recessive to b C. The B allele will decrease in frequency D. Selection will never eliminate the b allele from the population 4. In a population of sunflowers, there are 10 A1A1 individuals, 55 A1A2 individuals and 35 A2A2 individuals. What is the frequency of the A1 allele? A. 0.316 B. 0.375 C. 0.650 D. 0.750 3 of 8 5. In the following equation for the average excess of fitness for allele A, what does p represent? aA = q(wAA −w) + p(wAB −w) A. The frequency of allele A B. The frequency of allele B C. The probability that an A allele is paired with another A allele D. The proportion of A alleles that are in homozygous genotypes
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